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TPD1E1B04DPYR Datasheet(PDF) 10 Page - Texas Instruments |
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TPD1E1B04DPYR Datasheet(HTML) 10 Page - Texas Instruments |
10 / 17 page 5-V Source USB Transceiver VBUS D- D+ GND 2 1 2 1 Copyright © 2016, Texas Instruments Incorporated 10 TPD1E1B04 SLVSDL0A – MAY 2016 – REVISED JULY 2016 www.ti.com Product Folder Links: TPD1E1B04 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 8 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 8.1 Application Information The TPD1E1B04 is a diode type TVS which is used to provide a path to ground for dissipating ESD events on high-speed signal lines between a human interface connector and a system. As the current from ESD passes through the TVS, only a small voltage drop is present across the diode. This is the voltage presented to the protected IC. The low RDYN of the triggered TVS holds this voltage, VCLAMP, to a safe level for the protected IC. 8.2 Typical Application Figure 11. USB 2.0 ESD Schematic 8.2.1 Design Requirements For this design example, two TPD1E1B04 devices are being used in a USB 2.0 application. This provides a complete ESD protection scheme. Given the USB 2.0 application, the parameters listed in Table 1 are known. Table 1. Design Parameters DESIGN PARAMETER VALUE Signal range on DP-DM lines 0 V to 3.6 V Operating frequency on DP-DM lines up to 240 MHz 8.2.2 Detailed Design Procedure 8.2.2.1 Signal Range The TPD1E1B04 supports signal ranges between –3.6 V and 3.6 V, which supports the USB 2.0 signal pair on the USB 2.0 application. |
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